marlie hall for cbs news, newtown, connecticut. >>> newtown school officials have brought in grief counselors for students. >>> more information is coming to light this morning about the gunman in the connecticut shooting. former classmates remember adam lanza as somebody that they joked around with. he was enrolled at western connecticut state university at the same time that he was in high school. but he also was homeschooled by his mother and his mother told friends that he had asperger's syndrome. >> he was on medication. she homeschooled him at home because he couldn't deal with school classes sometimes. that was her life. >> a man who babysat for the lanzas when adam was about 10 said he received an odd warning. nancy lanza, the mother, told him to supervise adam at all times and to never turn his back on him. >>> a bay area teen is under arrest after he posted plans to copy the newtown massacre. 18-year-old sergio cabada of suisun city faces felony charges of making criminal threats. fairfield police received a tip that cabada posted comments online in support of the connecticut gunman